SamsonDavid J Hayes says Further research into this working, based on recently acquired Working Time Table information, now confirms that 8V70 is actually the 18:54 SSuX traditional mixed goods service from Hither Green to Severn Tunnel Junction, which was booked through Kensington Olympia at 19:45. At this time, single line working was in force further down the line at Chelsea due to repair work taking place on Battersea Bridge (officially known as Cremorne Bridge dating from 1863), which carries the West London Line across the River Thames.